PHPで実装されたWebプロキシ

 if ( !isset($_REQUEST["url"]) ) exit;

 $u = $_REQUEST["url"];
 if (substr($u, -0, 7) ) != "http://") exit;

 echo file_get_contents( $u );

/*
 function getPage($url, $referer, $timeout, $header=true){
 if(!isset( $timeout)) $timeout=30;
 $curl =curl_init();
 if(strstr($referer,"://")){
curl_setopt ($curl, CURLOPT_REFERER, $referer);
 }
curl_setopt ( $curl, CURLOPT_URL, $url);
curl_setopt ($curl, CURLOPT_TIMEOUT, $timeout);
curl_setopt ($curl, CURLOPT_USERAGENT, sprintf("Mozilla/%d.0",rand(4,5)));
 curl_setopt ($curl, CURLOPT_HEADER, (int)$header);
curl_setopt ($curl, CURLOPT_RETURNTRANSFER, 1);
curl_setopt ($curl, CURLOPT_SSL_VERIFYPEER, 0);
 $html =curl_exec ($curl);
curl_close ($ curl);
 return $html;
 }

 echo getPage( $u, "http://www.websitename.com", "20", false );
*/
?>

PHP